Teens’ IQ May Rise or Fall Over Time

The brain undergoes more change in adolescence than at any other time of life, save before birth and during infancy. That may help explain why teenagers’ IQ can fluctuate significantly over time, as a new study finds, registering …

Exercise Helps Young Smokers Quit

Quitting smoking is one of the healthiest things a person can do, but it’s also among the hardest, especially for teenage smokers who battle not only addiction but also the social pressure to keep lighting up.

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